STUTTGART (Reuters) - Former Volkswagen (VW) Chief Executive Martin Winterkorn and Bosch CEO Volkmar Denner are no longer expected to testify in a trial brought against VW’s main shareholder Porsche SE by investors, according to a judge. Former Volkswagen chief executive Martin Winterkorn leaves after testifying to a German parliamentary committee on the carmaker's emissions scandal in Berlin, Germany, January 19, 2017. REUTERS/Hannibal Hanschke Most of the two dozen witnesses called in the case have invoked their right to refuse to give evidence, Judge Fabian Richter Reuschle said in the opening of the trial in a regional court in Stuttgart. “We have to accept that we cannot force them to incriminate themselves,” Richter Reuschle said, adding the trial dates set aside for witness testimony through mid-November had been canceled. Shareholders represented by law firm TILP are seeking compensation from Porsche SE, alleging the company did not inform … [Read more...] about VW ex-CEO, Bosch CEO won’t testify in Stuttgart trial: judge